<li class="<?php echo $this->getName(); ?><?php echo ($this->getContent() ? ' content' : '') ?>" id="toolbaritem_<?php echo $this->getName(); ?>">
  <?php if ($this->getIcon()): ?>
    <img src="<?php echo $this->getIcon(); ?>" alt="" />
  <?php endif ?>
  <?php echo $this->getLabel(); ?>
</li>